function _simplenews_measure_usec in Simplenews 7

Same name and namespace in other branches

1. 6.2 includes/simplenews.mail.inc \_simplenews_measure_usec()
2. 6 simplenews.module \_simplenews_measure_usec()
3. 7.2 includes/simplenews.mail.inc \_simplenews_measure_usec()

Helper function to measure PHP execution time in microseconds.

Parameters

bool $start: If TRUE, reset the time and start counting.

Return value

float The elapsed PHP execution time since the last start.

1 call to _simplenews_measure_usec()

simplenews_mail_spool in includes/simplenews.mail.inc

Send simplenews newsletters from the spool.

File

includes/simplenews.mail.inc, line 754

Simplenews email send and spool handling

Code

function _simplenews_measure_usec($start = FALSE) {

  // Windows systems don't implement getrusage(). There is no alternative.
  if (!function_exists('getrusage')) {
    return;
  }
  $start_time =& drupal_static(__FUNCTION__);
  $usage = getrusage();
  $now = (double) ($usage['ru_stime.tv_sec'] . '.' . $usage['ru_stime.tv_usec']) + (double) ($usage['ru_utime.tv_sec'] . '.' . $usage['ru_utime.tv_usec']);
  if ($start) {
    $start_time = $now;
    return;
  }
  return $now - $start_time;
}